<template>
    <div class="login">
        <el-form :model="form" :rules="rules" ref="form"  class="container">
            <el-form-item>
              <div class="avatar">
                <img src="../assets/avatar.jpg" alt="">
              </div>
            </el-form-item>
            <el-form-item prop="username">
                <el-input type="username" placeholder="账号" v-model="form.username" auto-complete="off" prefix-icon="myicon myicon-user"></el-input>
            </el-form-item>
            <el-form-item  prop="password">
                <el-input type="password" placeholder="密码" v-model="form.password" auto-complete="off" prefix-icon="myicon myicon-key"></el-input>
            </el-form-item>
            
            <el-form-item>
                <el-button class="login-btn" type="primary" @click="loginForm('form')">登录</el-button>
            </el-form-item>
        </el-form>
    </div>   
</template>
<script>
import {checkUser} from '@/api/api.js'
export default {
  data () {
    return {
      form: {
        username: '',
        password: ''
      },
      rules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    loginForm(formName){
      this.$refs[formName].validate((valid) => {
          //判断校验是否通过
          if (valid) {
            //只有检验通过才可以执行登录的函数
            checkUser(this.form).then(res=>{
              // console.log(res)
              //判断是否登录成功,如果成功跳转到首页
              if(res.meta.status === 200){
                  //在跳转之前,将用户登录的token先保存在localStorage中
                  localStorage.setItem('mytoken',res.data.token)
                  //成功,并且跳转到首页
                  setTimeout(()=>{
                     this.$router.push({name:'Home'})
                  },1000)
                  this.$message({
                      message: res.meta.msg,
                      type: 'success'
                    });
                 
              }else{
                //登录失败
                this.$message.error(res.meta.msg);
              }
            })
            // alert('校验通过!')
          } else {
            console.log('校验不通过')
            return false
          }
        });
    }
  }
}
</script>
<style lang="scss" scoped>

.login {
  
  position: fixed;
  width: 100%;
  height: 100%;
  background-color: #2f4050;

  .container {
    position: absolute;
    left: 0;
    right: 0;
    width: 400px;
    padding: 0px 40px 15px 40px;
    margin: 200px auto;
    background: white;
    .avatar {
      position: relative;
      left: 50%;
      width: 120px;
      height: 120px;
      margin-left: -60px;
      margin-top: -60px;
      box-sizing: border-box;
      border-radius: 50%;
      border: 10px solid #fff;
      box-shadow: 0 1px 5px #ccc;
      overflow: hidden;
    }
    .login-btn {
      width: 100%;
    }
  }
}
</style>
